Home / 30,044.21-45,030.41-14,012.15

Finding the Fourth Proportional to 30,044.21, 45,030.41 and 14,012.15

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Solution

The fourth proportional to 30,044.21, 45,030.41 and 14,012.15 is: 21,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.21 : 45,030.41 = 14,012.15 : x
  2. Step 2: Convert to fraction form
    30,044.21/45,030.41 = 14,012.15/x
  3. Step 3: Cross multiply
    30,044.21x = 45,030.41 × 14,012.15
  4. Step 4: Simplify right side
    30,044.21x = 630,972,789.42
  5. Step 5: Solve for x
    x = 630,972,789.42/30,044.21
  6. Step 6: Final answer
    x = 21,001.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.